Filters for Viewing

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  1. Baader - 2" Polarization Filter - Single

    $83.00
    SKU: BAA-FPOL-2

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    The Baader 2" Polarizer can attacha a T2-15 adapter, enabling the use of 1.25" eyepiece without removing the filter while keeping the eyepiece and filter position close.

  2. Baader - Contrast Booster 2" Filter

    $123.00
    SKU: BAA-FCB-2

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    Much more than a simple minus-violet filter. Based on the popular Baader Moon&Skyglow filter, the Baader Contrast-Booster takes contrast enhancement and skyglow reduction to the maximum level possible from a filter

  3. Celestron - Contrast Booster Filter - 1.25"

    $57.00
    SKU: CEL-94121

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    This is our newest high quality filter that eliminates most color aberration inherent in achromatic refractor telescopes. The filter also reduces your view of the blue hue around lunar and planetary subjects. Features multi-layer coatings for 95% transmission.

  4. Celestron - Eyepiece Filter Set 1 - 1.25" (#21, 80A, 15, Polarizing)

    Regular Price: $39.95

    You Pay: $32.00

    Supply Limited Close Out Special!
    SKU: CEL-94119-10

    In stock

    Kit includes: 21, 80A, #15, Polarizing filters

    Celestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases. The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations.

    Supply Limited Close Out Special!
  5. Celestron - Moon Filter - 1.25"

    $13.95
    SKU: CEL-94119-A

    In stock

    Celestron's Moon Filter is an economical eyepiece filter for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is about 18%.

  6. Celestron - Oxygen III (OIII) Narrowband Filter - 1.25"

    $79.95
    SKU: CEL-93623

    In stock

    The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light.

  7. Celestron - Oxygen III (OIII) Narrowband Filter - 2"

    $109.95
    SKU: CEL-93624

    In stock

    Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.

  8. Celestron - UHC/LPR Filter - 1.25"

    $74.95
    SKU: CEL-94123

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved.

  9. Celestron - UHC/LPR Filter - 2"

    $99.95
    SKU: CEL-94124

    In stock

    The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved.

  10. Opticstar - 1.25 " Nebula Deep Sky Filter

    $57.00
    SKU: OPS-OSRIFNEB1

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    This Opticstar 1.25" eyepiece is suitable for both visual observation and imaging these are all-in-one high-transmission deep sky filters.

  11. Lumicon - Night Sky H-Alpha Filter - 1.25"

    $53.95
    SKU: LMC-LF3085

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm.

  12. Lumicon - Night Sky H-Alpha Filter - 2"

    $75.95
    SKU: LMC-LF3090

    In stock

    Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above

  13. Lumicon - Minus Violet Filter - 1.25"

    $59.95
    SKU: LMC-LF3120

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes.

  14. Lumicon - Minus Violet Filter - 2"

    $79.95
    SKU: LMC-LF3125

    In stock

    Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes

  15. Lumicon - 1.25" Lunar & Planetary Filter Set

    $157.95
    SKU: LMC-LF5045

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    The Lumicon 1.25" Lunar & Planetary Filter Set, LF5045, is an excellent "starter-kit,"

  16. Lumicon - Filter # 21 Orange 1.25"

    $42.95
    SKU: LMC-LF1030

    Wait List - Temporarily Out Of Stock Estimated Wait Time is 3-5 Days

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging
  17. Lumicon - Filter # 23A Light Red 1.25"

    $42.95
    SKU: LMC-LF1035

    In stock

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging
  18. Lumicon - Filter # 25 Red 1.25"

    $42.95
    SKU: LMC-LF1040

    In stock

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging
  19. Lumicon - Filter # 29 Dark Red 1.25"

    $42.95
    SKU: LMC-LF1045

    In stock

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging
  20. Lumicon - Filter # 38A Dark Blue 1.25"

    $35.95
    SKU: LMC-LF1050

    In stock

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging
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